Mar/Apr 2012 Archive

In terms of circuit racing, the pushrod engine is most famously used in NASCAR competition; while some other race series allow all kinds of valve actuation, NASCAR mandates cam-in-block and overhead valve engine architecture. One aspect of valvetrain...
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In the Pro Stock Motorcycle category of NHRA Full Throttle Drag Racing Series, there are three engines currently in the game. Only the two-rider Vance & Hines team uses the Harley-Davidson Screamin' Eagle, while the balance of the field is split ...
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The poppet valves of a four-stroke engine have an arduous life, and the current design trend of engine downsizing in production vehicles and several race series is likely to make their life more difficult still. With downsizing comes boosting, mainly...
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Titanium is a strange material, not least for the myths surrounding it. It is often described as being incredibly hard, or incredibly strong, when the truth is that it is neither. It can be impressively strong compared to its density, but it does not stand out in this respect. It has been very ex… read article »